Ultrasound‐assisted leaching of vanadium and yttrium from coal ash: Optimization, kinetic and thermodynamic study

Author(s):  
Hero Ghasemi Masoum ◽  
Seyed Omid Rastegar ◽  
Mehrdad Khamforoush
Energy ◽  
2021 ◽  
Vol 229 ◽  
pp. 120693
Author(s):  
Yuming Wen ◽  
Ilman Nuran Zaini ◽  
Shule Wang ◽  
Wangzhong Mu ◽  
Pär Göran Jönsson ◽  
...  

2015 ◽  
Vol 737 ◽  
pp. 33-37 ◽  
Author(s):  
Jing Jun Liu ◽  
Yong Yuan ◽  
Hang Zhang ◽  
Bo Lun Yang

A process was designed for etherification of glycerol with isobutene based on latest results of kinetic and thermodynamic study. A continuous stirred tank reactor was employed to carry out the reaction. Fresh glycerol was used to extract mono-ethers (ME) of glycerol in the reaction product and then returned to the reactor. Residual glycerol and ME were recovered by water washing and distillation. Isobutene and isobutene dimers were separated from high-ethers in a side draw distillation column. The new process was optimized, and a product yield of 97 wt% was obtained.


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